K-means绠楁硶鐮旂┒缁艰堪 - 鐧惧害鏂囧簱

鏂板缓

涓婁紶

棣栭〉

鍔╂墜

鏈�杩?/div>

璧勬枡搴?/div>

宸ュ叿

榫欐簮鏈熷垔缃?/p>

 http://www.qikan.com.cn 

K-means

绠楁硶鐮旂┒缁艰堪

 

浣滆�咃細涓涙�濆畨

 

鐜嬫槦鏄?/p>

 

鏉ユ簮锛氥�婄數瀛愭妧鏈�涓庤蒋浠跺伐绋嬨�?/p>

2018

骞寸��

17

鏈?/p>

 

        

鎽樿��

 

        k-means

绠楁硶鏄�涓�绉嶉潪甯哥畝鍗曞苟涓斾娇鐢ㄥ箍娉涚殑鑱氱被绠楁硶锛屼絾鏄�涓�鏄?/p>

k

鍊奸渶瑕侀�勫厛缁欏畾锛屽�?/p>

澶氭儏鍐典笅

k

鍊肩殑浣戣�″緢鍥伴毦銆備簩鏄?/p>

K-Means

绠楁硶瀵瑰垵濮嬮�夊彇鐨勮仛绫讳腑蹇冪偣寰堟晱鎰燂紝涓嶅悓鐨勪腑蹇?/p>

鐐硅仛绫荤粨鏋滄湁寰堝ぇ鐨勪笉鍚屻�備篃灏辨槸璇达紝鏈夊彲鑳介櫡鍏ュ眬閮ㄦ渶浼樿В銆備笁鏄�瀵圭�荤兢鐐规晱鎰燂紝鑱氱被缁撴灉

鏄撲骇鐢熻��宸�銆傚洓鏄�鐩镐技鎬у害閲忕殑鍑芥暟涓嶅悓涔熶細瀵硅仛绫荤粨鏋滀骇鐢熷奖鍝嶃�傛湰鏂囬拡瀵?/p>

k-means

鐨勭己

闄凤紝瀵硅繖鍑犲勾

k-means

绠楁硶鐨勭爺绌惰繘灞曡繘琛屼簡缁艰堪銆備粠鍒濆�嬩腑蹇冪偣鐨勯�夊彇銆佺�荤兢鐐圭殑妫�娴嬩笌鍘?/p>

闄ゃ�佺浉浼兼�у害閲忕瓑鍑犱釜鏂归潰杩涜�屾�傛嫭銆佹瘮杈冩渶鍚庯紝瀵?/p>

k-means

绠楁硶鐨勬湭鏉ヨ秼鍔胯繘琛屽睍鏈涖�?/p>

 

        

銆愬叧閿�璇嶃�?/p>

k-means

绠楁硶

 

鍒濆�嬭仛绫讳腑蹇�

 

鐩镐技鎬у害閲?/p>

 

绂荤兢鐐?/p>

 

        K-means

鑱氱被绠楁硶鏄�鐢�

Steinhaus 1955

骞淬�?/p>

Lloyd 1957

骞淬�?/p>

Ball&Hall 1965

骞淬�?

McQueen1967

骞村垎鍒�鍦ㄥ悇鑷�鐨勪笉鍚岀殑绉戝�︾爺绌堕�嗗煙鐙�绔嬬殑鎻愬嚭銆?/p>

K-means

鑱氱被绠楁硶琚�鎻愬嚭鏉�

鍚庯紝缁忚繃澶氬勾鐨勫疄璺佃瘉鏄庯紝

k-means

绠楁硶渚濈劧鏄�绠�鍗曘�侀珮鏁堢殑绠楁硶锛屽苟涓旇��骞挎硾搴旂敤鍦ㄧ�戝�︾爺

绌朵互鍙婂伐涓氬簲鐢ㄤ腑锛屽彂灞曞嚭澶ч噺鐨勬敼杩涚殑绠楁硶銆傜洰鍓嶏紝

k-means

绠楁硶浠嶇劧鏄�涓�涓�鐮旂┒鐑�鐐广�?/p>

 

        K-means

绠楁硶鐨勬敼杩涗富瑕佷粠浠ヤ笅鍑犱釜鏂归潰锛氫竴鏄�濡備綍纭�瀹氬悎閫傜殑

k

鍊硷紝浜屾槸濡備綍閫夊彇濂界殑

鍒濆�嬭仛绫讳腑蹇冿紝涓夋槸绂荤兢鐐圭殑妫�娴嬩笌鍘婚櫎锛屽洓鏄�璺濈�讳笌鐩镐技搴﹀害閲忕殑鏀硅繘浠ュ強鍏朵粬鏂归潰鐨勬敼杩?/p>

绛夌瓑銆傛湰鏂囧垯浠庝互涓婂嚑涓�鏂归潰瀵�

k-means

绠楁硶鐨勭爺绌惰繘灞曡繘琛岀患杩般�傛湰鏂囩��涓�閮ㄥ垎浠嬬粛浼犵粺鐨?/p>

k-means

绠楁硶锛岀��浜岄儴鍒嗕粠鍚勪釜鏂归潰浠嬬粛

k-means

绠楁硶鐨勪紭鍖栵紝绗�涓夐儴鍒嗚繘琛屾�荤粨浠ュ強灞曟湜銆?/p>

 

        1 

浼犵粺鐨?/p>

k-means

绠楁硶

 

        K-means

绠楁硶鏄�涓�绉嶇畝鍗曘�侀珮鏁堢殑鑱氱被绠楁硶锛屽苟寰楀埌浜嗗箍娉涚殑搴旂敤銆?/p>

K-means

绠楁硶鐨勫熀鏈?/p>

鎬濇兂鏄�棣栧厛闅忔満閫夊彇鍒濆�嬭仛绫讳腑蹇冿紝鐒跺悗璁＄畻姣忎釜鏍锋湰鐐瑰埌鍒濆�嬭仛绫讳腑蹇冪殑娆у紡璺濈�伙紝鎸夌収璺�

绂绘渶杩戠殑鍑嗗垯灏嗗畠浠�鍒嗛厤缁欑浉浼煎害鏈�澶х殑鑱氱被涓�蹇冩墍浠ｈ〃鐨勭被銆傝�＄畻姣忎釜绫诲埆鎵�鏈夋牱鏈�鐐圭殑鍧�

鍊硷紝鏇存柊鑱氱被涓�蹇冿紝鐩村埌鐩�鏍囧噯鍒欏嚱鏁版敹鏁涗负姝�銆傚叿浣撶畻娉曟�ラ�ゅ�備笅锛�

 

        

锛?/p>

1

锛夌敤鎴疯緭鍏ョ被绨囨暟鐩�鐨勫�?/p>

k

锛屼粠

n

涓�鏍锋湰鐐逛腑闅忔満閫夊彇

k

涓�鐐逛綔涓哄垵濮嬭仛绫讳腑蹇�

; 

        

锛?/p>

2

锛夐亶鍘嗘墍鏈夌殑鏍锋湰鐐癸紝璁＄畻姣忎釜鏍锋湰鐐瑰埌鍒濆�嬭仛绫讳腑蹇冪殑娆у紡璺濈�伙紝娆ф皬璺濈�荤殑澶у�?/p>

浣滀负鐩镐技搴︾殑璇勫垽鏍囧噯锛屾�ф皬璺濈�昏秺灏忥紝鐩镐技搴﹁秺澶с�傛寜鐓ц窛绂绘渶杩戠殑鍑嗗垯灏嗘牱鏈�鐐瑰垎閰嶇粰鐩�

浼煎害鏈�澶х殑鑱氱被涓�蹇冩墍浠ｈ〃鐨勭被銆?/p>